The header J15 offers the possibility to expand the board with additional hardware. The header contains the TWI signals (SDA, SCL), one GPIO pin, ground and 3.3V.
Pin on header | UC3A GPIO name | Other functionality |
---|---|---|
1 | PA29 | TWI clock SCL |
2 | PA30 | TWI data SDA |
3 | PX16 | TC A1 |
4 | -- | -- |
5 | -- | GND |
6 | -- | VCC3V3 |
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